UK election: The pros and cons of a 'Brexit'

Back in 1988, Margaret Thatcher was keen to make the U.K. central to Europe's nascent union. But the prime minister was just as eager to remind Britain's neighbors her nation had other options too

"Britain does not dream of some cosy, isolated existence on the fringes of the European Community. Our destiny is in Europe, as part of the Community," she said in one of her most famous speeches. However, she cautioned: "That is not to say that our future lies only in Europe."